/*
    font-family: 'Lato', sans-serif;
    font-family: 'Josefin Sans', sans-serif;
*/
*, *:before, *:after{
  box-sizing:border-box;
}
body
{
    background-color: #212121;
    margin: 0;
    font-family: 'Lato', sans-serif;
    font-size: 20px;
}
header
{
    text-align: center;
    font-size: 40px;
}
h1.naglowek
{
    color: white;
    text-transform: uppercase;
}
main
{
    text-align: center;
}
.pole
{
    font-size: 15px;
    padding: 3px;
}
.chwyt
{
    height: 60px;
    width: 800px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.wynik
{
    text-align:center;
    margin: 0 auto;
    height: 60px;
    float:left;
    width: 250px;
    border: 1px solid white;
}
footer
{
    width: 100%;
    bottom: 0;
    position: absolute;
    background-color: #3498db;
}
.stopa
{
    color: white;
    text-align: center;
    font-size: 18px;
    font-family: "Lato";
}
a
{
    color: white;
    text-decoration: none;
}
.btn
{
    background: #3498db;
    background-image: -webkit-linear-gradient(top, #3498db, #2980b9);
    background-image: -moz-linear-gradient(top, #3498db, #2980b9);
    background-image: -ms-linear-gradient(top, #3498db, #2980b9);
    background-image: -o-linear-gradient(top, #3498db, #2980b9);
    background-image: linear-gradient(to bottom, #3498db, #2980b9);
    -webkit-border-radius: 28;
    -moz-border-radius: 28;
    border-radius: 28px;
    font-family: Arial;
    color: #ffffff;
    font-size: 20px;
    padding: 10px 20px 10px 20px;
    text-decoration: none;
    -webkit-transition-duration: 0.3s;
    transition-duration: 0.3s;
    -webkit-transition-property: transform;
    transition-property: transform;
    overflow: hidden;
}
.btn:hover
{
    background: #3cb0fd;
    background-image: -webkit-linear-gradient(top, #3cb0fd, #3498db);
    background-image: -moz-linear-gradient(top, #3cb0fd, #3498db);
    background-image: -ms-linear-gradient(top, #3cb0fd, #3498db);
    background-image: -o-linear-gradient(top, #3cb0fd, #3498db);
    background-image: linear-gradient(to bottom, #3cb0fd, #3498db);
    text-decoration: none;
    color: #fff;
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
}
.btn:focus, .btn:active
{
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
}
.btn:before {
    content: "";
    background-color: #fff;
    height: 100%;
    width: 40px;
    display: block;
    position: absolute;
    top: 0;
    left: -70px;
    transform: skewX(-45deg) translateX(0px);
    transition: none;
}
.btn:hover:before{
    transform: skewX(-45deg) translateX(250px);
    transition: all 0.4s ease-in;
}